* {
  margin: 0;
  padding: 0;
  list-style: none;
}

.header {
  text-align: center;
  line-height: 50px;
  border-bottom: 1px solid #ccc;
}

.main .left {
  display: flex;
  margin-top: 10px;
}

.main .left .avatar img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
}

.main .left .info {
  line-height: 50px;
  margin-left: 10px;
}

.main .right {
  display: flex;
  flex-direction: row-reverse;
}

.main .right .avatar img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
}

.main .right .info {
  line-height: 50px;
  margin-right: 10px;
}

.fotter {
  position: fixed;
  border-top: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
  bottom: 50px;
  left: 0;
  width: 100%;
  display: flex;
  height: 46px;
}

.fotter .text {
  flex: 1;
  height: 100%;
}
